312025223000 has 64 divisors (see below), whose sum is σ = 733922579520. Its totient is φ = 124163328000.

The previous prime is 312025222981. The next prime is 312025223033. The reversal of 312025223000 is 322520213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615356 + ... + 1001355.

It is an arithmetic number, because the mean of its divisors is an integer number (11467540305).

Almost surely, 2^312025223000 is an apocalyptic number.

It is an amenable number.

312025223000 is an abundant number, since it is smaller than the sum of its proper divisors (421897356520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312025223000 is a wasteful number, since it uses less digits than its factorization.

312025223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616925 (or 1616911 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 312025223000 its reverse (322520213), we get a palindrome (312347743213).

The spelling of 312025223000 in words is "three hundred twelve billion, twenty-five million, two hundred twenty-three thousand".